Cooling Arrangement And Method For Cooling At Least One Oil To Air External Heat Exchanger

Abstract: A cooling arrangement (20) for cooling at least one OAEHE in a transformer. The cooling arrangement (20) comprises at least one impeller-motor device (10), at least one fluid pipe (11) and a first fluid discharge device (12). The first fluid discharge device (12) comprises a fluid inlet arranged to receive a fluid from the at least one fluid pipe (11), and at least one fluid outlet arranged to direct the fluid towards the OAEHE, wherein the at least one impeller-motor device (10) is adapted to supply the fluid to the inlet of the first fluid discharge device (12) via the at least one fluid pipe (11) and cause the fluid to flow through the at least one fluid outlet of the first fluid discharge device (12) in a direction of the at least one OAEHE. The cooling arrangement (20) further comprises a second fluid discharge device (22) adapted to disturb the fluid that flows through the at least one fluid outlet of the first fluid discharge device (12).

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